00630pamaa2200193 4500 0000046140 20121206090000.0 091007 eng 9780496108245 / 0495108243 QA372 ZIL 2009 Zill A first course in differential equations with modeling applications Dennis G. Zill. 9th ed. Belmont, CA: Brooks/Cole, Cengage Learning, 2009. xiii, 362, 23, 16, 7 p.: col. ill.; 29 cm. Includes index FAS Differential equations -- Textbooks www.ichapters.com